2084509 has 12 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 1691928.

The previous prime is 2084507. The next prime is 2084531. The reversal of 2084509 is 9054802.

It is a happy number.

It is not a de Polignac number, because 2084509 - 2¹ = 2084507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189 + ... + 2050.

It is an arithmetic number, because the mean of its divisors is an integer number (212800).

2^2084509 is an apocalyptic number.

It is an amenable number.

2084509 is a deficient number, since it is larger than the sum of its proper divisors (469091).

2084509 is a wasteful number, since it uses less digits than its factorization.

2084509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2084509 is about 1443.7828784135. The cubic root of 2084509 is about 127.7422588666.

The spelling of 2084509 in words is "two million, eighty-four thousand, five hundred nine".